James Smith is the world’s fastest-growing online personal trainer. Honest, unapologetic and outspoken, yet erudite, authentic and endlessly passionate about exposing the toxic myths within diet culture, and committed to helping people to reach their goals and make positive change for good.

‘Meet the man changing the way you think about fitness. One of the most sought-after personal trainers in the world (who has) knocked current fitness It boy @JoeWicks for six and stolen the coveted crown of the fitness world’ Sunday Times Style‘Not a Diet Book mercilessly takes down every fad diet, workout and health drink you have been sold and instead explains [James’] mission to make understanding weight-loss as two words – calorie deficit.’ The Sun‘Personal trainer James Smith’s new book, Not a Diet Book, offers frank advice on getting in shape and busts some major diet myths.’ Grazia‘James’ book is the tough love version of life coaching. He tells you straight, refers to his own experiences in life and makes you laugh along the way.’ Metro